could be a refresh issue. Go to system prefs and look under displays. See if
you can change the refresh rate.-Jonas

On Tue, Mar 17, 2009 at 4:24 PM, <janespra...@comcast.net> wrote:

> I have a G4 iMac, running 10.4.11. In the past week, I have noticed that
> the desktop screen keeps re-drawing every few minutes. I ran Disk
> permissions and Onyx and I didn't get any negative messages. Any idea what
> could be causing the re-drawing?
>
> (i hope I am explaining "redrawing" as the right action. The desktop blinks
> and then everything on it appears again.)
>
> jane
>
> >
>

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